Biology · Echinodermata Anatomy
एस्टेरियास (तारामीन) में, स्टोन कैनाल (stone canal) सीधे किन संरचनाओं को जोड़ती है?
- 1मैद्रेपोराइट (madreporite) और पोलियन पुटिका (polian vesicle)
- 2मैद्रेपोराइट (madreporite) और वलय नाल (ring canal)✓
- 3वलय नाल (ring canal) और अरीय नाल (radial canal)
- 4वलय नाल (ring canal) और पोलियन पुटिका (polian vesicle)
सही उत्तर देखें
मैद्रेपोराइट (madreporite) और वलय नाल (ring canal)
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